求翻译：引气剂的加入, 在砂浆中引入了很多均匀分布的小气泡, 凝结硬化后造成试块的孔隙率增大, 使保温砂浆试块的干容重进一步减小, 导热系数降低, 对保温砂浆试块隔热保温性能的提高起到重要作用。但引气剂的加入量应控制在一定范围内, 加量过小,对干容重和导热系数的影响不大, 加量过大, 则导热系数虽然减小, 但试块强度也随之降低。是什么意思？

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Arising from the accession to, the mortar filling agent has been introduced in many evenly distributed over the small bubbles, condensation caused by hardening of the test piece, make the porosity thermal insulation mortar test dried meter to further reduce the heat, thermal conductivity, heat insul

Luck medicinal preparation joined, introduced the very many uniform distribution bubble in the mortar, after the congealment hardened creates the briquette the factor of porosity to increase, causes the heat preservation mortar briquette the dry bulk specific gravity further to reduce, the thermal c

AEA join, in a uniform distribution of mortar were introduced in many small bubbles, test blocks resulting setting and hardening of porosity increases thermal insulation mortar dry unit weight of test blocks further reduces, reducing the thermal conductivity, block heat insulation properties of ther

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